VulnSocial

CVE-2026-45583Patch(microsoft / exchange_server)

LOWCVSS 8.1 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch microsoft exchange_server systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Improper control of generation of code ('code injection') in Microsoft Exchange Server allows an unauthorized attacker to execute code over a network.

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0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-94

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • exchange_server
  • exchange_server_subscription_edition

Threat summary

  • Patch or workaround signal is available
  • 1 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • 1 total mentions across 1 day

Affected systems

Vendors
microsoft
Products
exchange_serverexchange_server_subscription_edition

2 versions affected across 2 products

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-06-09: 1Patch / Workaround · 2026-06-09: 106-09
Signal classification1 categories
Patch
1100.0%
Referenced assets1 URL
Full discourse1 post
  • WindowsForum@windowsforum
    Patch

    🪟 Exchange RCE again? Shocking… not. The real issue isn’t the bug—it’s how fast your edge exposure turns “patch today” into “incident tomorrow.” Lock it down. #Windows #Microsoft #Exchange #Security #CVE https://windowsforum.com/threads/cve-2026-45583-exchange-rce-patch-verify-and-reduce-internet-exposure.424525/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #RemoteCodeExecution #OnPremisesSecurity https://t.co/QlhKQTBNKL

    Post summary

    The tweet warns that quickly applying the patch for CVE‑2026‑45583 may expose systems before attackers can capitalize on the vulnerability, urging tighter security controls on the edge.

    0000051
    1.2K followersView on X
CPE platform detail4 entries

4 of 4 entries

PartVendorProductVersionTarget SWTarget HW
Appmicrosoftexchange_server2016--
Appmicrosoftexchange_server2019--
Appmicrosoftexchange_server2019--
Appmicrosoftexchange_server_subscription_edition---

Explore more

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